Malicious PDF — malware analysis report

Static analysis result for SHA-256 445375f2fa0f3bca…

MALICIOUS

PDF

80.0 KB Created: 2021-10-31 20:47:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-11
MD5: 55fbb019b5bc73ca860fc32be2756ad1 SHA-1: 8e88c9132cff1b6a9e79f215c31325c39abe1482 SHA-256: 445375f2fa0f3bca1b637241d02ba01d6e01535e80a28aa4cb5c0313821291f7
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://pistant.ru/uplcv?utm_term=getting+pupils+dilated PDF link annotation
    • https://ambalatender.com/upload/files/20721952925.pdfIn PDF document text
    • http://aqbnb.com/uploadfile/file/43012315986.pdfIn PDF document text
    • http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/nexaterediriva.pdfIn PDF document text
    • https://htapigroup3.com/contents/files/46985880628.pdfIn PDF document text
    • http://www.ville-dammarie.com/ckfinder/userfiles/files/33592309746.pdfIn PDF document text
    • http://naturalmis.com/userfiles/file/jogukemaw.pdfIn PDF document text
    • http://hoya889.com/upfile/files/20211016100909.pdfIn PDF document text
    • http://tentauto23.ru/ckfinder/userfiles/files/lazorixizoziforud.pdfIn PDF document text
    • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/10128930171.pdfIn PDF document text
    • https://pui-vital.ro/msg_media/file/jupovuvovedojepusegodudid.pdfIn PDF document text
    • http://33podarka.ru/pictures/files/mamebiwakezozijibenowok.pdfIn PDF document text
    • http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/99344780652.pdfIn PDF document text
    • http://spartapr.com/images/upload/file/49349623510.pdfIn PDF document text
    • http://penzionnakrizankach.cz/ckfinder/userfiles/files/xeruditesiregibelojorafe.pdfIn PDF document text
    • http://www.look4job.gr/images/_user_na/file/tadunez.pdfIn PDF document text
    • http://kaithompson.com/userfiles/file/gafuz.pdfIn PDF document text
    • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/9ve3184nsfr5ojnmlvnbgn8vo2/78841154870.pdfIn PDF document text
    • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/fh0j809hvutncg1bpqaevlqcgj/torovezoliw.pdfIn PDF document text
    • http://agrobud.net/uploaded/file/40773522122.pdfIn PDF document text
    • https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/vodisasuwi.pdfIn PDF document text
    • https://mytekas.com/UserFiles/file/62454875369.pdfIn PDF document text
    • http://yanartextil.com/firma/files/70569240163.pdfIn PDF document text
    • http://sdv.sk/userfiles/articles/file/86078973345.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d5b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5B1 10488 bytes
SHA-256: f26e594690bef54e81414ab1d39caed5b59067eb1882888b64d7054a1e9adc38
font_01_sfnt_off0000ed79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED79 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001058b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1058B 17508 bytes
SHA-256: ca8abeb5f7f61c48ecf009b6e7c7551b756c137b77926958c97a34aacfae40f1

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